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Manufacture Of Brick Tiles From Local Raw Materials, N & NE Iraq.

Manufacture Of Brick Tiles From Local Raw Materials, N & NE Iraq.

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(JZS)Journal of Zankoy Sulaimani,dec, 2005, 8(1) Part A(31-45)<br />

%*&ÏögÐOÚA rÐG%& gÐGÀеÐËÑÁÊÁ@µ ÑÁ@¾â̺kÒÙÁ?iÒg@¡Ù}<br />

Table 7. The results of water absorption % of fired tiles at temperatures 850,<br />

950 and 1050 °C .<br />

S.No. Water absorption % S. Water absorption %<br />

850 °C 950 °C 1050 °C No. 850 °C 950 °C 1050<br />

°C<br />

1 49.00 54.00 33.30 8 58.00 - -<br />

2 59.50 40.30 32.70 9 21.33 20.00 *<br />

3 34.00 31.00 30.10 10 25.00 28.50 30.00<br />

4 40.00 52.00 6.55 11 28.57 28.57 26.00<br />

5 40.90 35.40 - 12 42.11 46.15 20.51<br />

6 33.33 33.92 25.00 13 29.50 28.70 28.33<br />

7 25.00 45.60 48.30 14 24.28 33.84 *<br />

Note : - Broken tiles * Melted tiles.<br />

Table 8. The results of bulk density (gm/cm 3 ) for fired tiles at temperatures 850,<br />

950 and 1050 °C .<br />

S.No. Bulk density (gm/cm 3 ) S. Bulk density (gm/cm 3 )<br />

850 °C 950 °C 1050 °C No. 850 °C 950 °C 1050<br />

°C<br />

1 1.02 1.05 1.09 8 1.23 - -<br />

2 1.59 1.60 1.66 9 1.27 1.36 *<br />

3 1.06 1.10 1.19 10 1.80 1.42 1.25<br />

4 1.07 1.03 1.57 11 1.17 1.29 1.32<br />

5 1.41 1.53 - 12 1.00 1.03 1.77<br />

6 1.10 1.02 1.33 13 1.10 1.25 1.30<br />

7 1.03 1.00 1.04 14 1.15 1.14 *<br />

Note : - Broken tiles * Melted tiles.<br />

Table 9. The results of compressive strength (N/mm 2 ) for fired tiles at<br />

temperatures 850, 950 and 1050 °C .<br />

S.No. Compressive strength<br />

(N/mm 2 )<br />

S.<br />

No.<br />

Compressive strength<br />

(N/mm 2 )<br />

850 °C 950 °C 1050 °C 850 °C 950 °C 1050<br />

°C<br />

1 7.33 3.91 20.97 8 5.44 - -<br />

2 3.67 14.2 13.14 9 38.29 76.30 *<br />

3 3.26 8.92 15.87 10 0.05 10.70 16.23<br />

4 8.68 13.12 112.08 11 4.98 24.54 26.66<br />

5 20.43 9.82 - 12 12.80 33.78 57.14<br />

6 26.66 34.18 55.55 13 15.12 20.94 57.14<br />

7 22.72 23.67 13.26 14 33.31 38.27 *<br />

Note : - Broken tiles * Melted tiles.<br />

41

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